Coupling



FIG. 1 is a perspective view of one of the two identical parts of a first embodiment of a coupling showing my new design, shown separately for ease of disclosure;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a back elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a side elevational view of the right side thereof;

FIG. 7 is a side elevational view of the left side thereof;

FIG. 8 is a perspective view of a first embodiment of a coupling showing my new design;

FIG. 9 is a front elevational view of FIG. 8;

FIG. 10 is a back elevational view of FIG. 8;

FIG. 11 is a top plan view of FIG. 8;

FIG. 12 is a bottom plan view of FIG. 8;

FIG. 13 is a side elevational view of the right side of FIG. 8;

FIG. 14 is a side elevational view of the left side of FIG. 8;

FIG. 15 is a perspective view of one of the two identical parts of a second embodiment of a coupling showing my new design, shown separately for ease of disclosure;

FIG. 16 is a front elevational view of FIG. 15;

FIG. 17 is a back elevational view of FIG. 15;

FIG. 18 is a top plan view of FIG. 15;

FIG. 19 is a bottom plan view of FIG. 15;

FIG. 20 is a side elevational view of the right side of FIG. 15;

FIG. 21 is a side elevational view of the left side of FIG. 15;

FIG. 22 is a perspective view of a second embodiment of a coupling showing my new design;

FIG. 23 is a front elevational view of FIG. 22;

FIG. 24 is a back elevational view of FIG. 22;

FIG. 25 is a top plan view of FIG. 22;

FIG. 26 is a bottom plan view of FIG. 22;

FIG. 27 is a side elevational view of the right side of FIG. 22; and,

FIG. 28 is a side elevational view of the left side of FIG. 22. 

The ornamental design for a coupling, as shown and described. 